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NSTextView pagination
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NSTextView pagination

  • Subject: NSTextView pagination
  • From: Jonathan Mitchell <email@hidden>
  • Date: Thu, 07 Jul 2016 17:42:38 +0100
Is there a recommended way to change the content of an NSTextView subclass during an NSPrintOperation preview?
My subclass needs to adjust its content depending on the NSPrintInfo page orientation.
Drawing into the margin with NSView -drawPageBorderWithSize: is not an appropriate solution in this case.

I have tried manipulating the views attributed string content in
- (BOOL)knowsPageRange:(NSRangePointer)range
but this logs CG warnings and can behave unpredictably - presumably because the content is getting manipulated at an inappropriate point.
It also doesn’t produce the correct paginated output.

Any ideas?

I could supply a new view that would correspond to the new page orientation (if I could get an appropriate	 notification) but NSPrintOperation’s -view is readonly.

Thanks

Jonathan



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